Tommy is making a greeting card on his computer. He can choose 1 of 4 backgrounds, 1 of 7 photos, and 1 of 6 text colors. How ma
2 answers:
Answer: D.168
Step-by-step explanation:
Given: Tommy is making a greeting card on his computer. He can choose 1 of 4 backgrounds, 1 of 7 photos, and 1 of 6 text colors.
It means there is no repetition .
Now, the number of ways Tommy can make a greeting card is given by :-
Hence, the number of ways Tommy can make a greeting card is 168.
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Answer:
A
Step-by-step explanation:
Sum the product of the components in the first row of A with the corresponding components of the first column in B
Repeat this with the components in the second row of A with the corresponding components of the second column in B, that is
AB
=
=
=
= → A